What are the best practices to write a robust code?

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There are many best practices that can help you write robust code, including the following:

1. Write clean and readable code. Use clear and descriptive variable names, and format your code consistently to make it easier to read and understand. This will make it easier to maintain and debug your code, and will help prevent errors.
2. Use version control. Use a version control system, such as Git, to track changes to your code and collaborate with others. This will allow you to easily roll back to previous versions of your code if necessary, and will make it easier to share and collaborate on your code.
3. Test your code. Use automated testing tools to test your code and ensure that it behaves as expected. This will help you catch and fix errors before they affect your users, and will help ensure that your code is robust and reliable.
4. Use error handling. Add error handling to your code to catch and handle unexpected errors. This will help prevent your code from crashing and will make it more resilient to unexpected events.
5. Keep your code up to date. Regularly update your code to fix bugs and improve performance. This will help ensure that your code continues to function correctly and efficiently, and will help prevent issues in the future.